RF mixer frequency products calculator

Calculate harmonic frequency products with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use harmonic frequency products to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Signal frequency (MHz)
100
LO frequency (MHz)
90
Maximum harmonic order for each input
2
Harmonic frequency products
[[1,1,10,190],[1,2,80,280],[2,1,110,290],[2,2,20,380]]

Try another scenario

Signal frequency (MHz)
110.00000000000001
LO frequency (MHz)
90
Maximum harmonic order for each input
2
Harmonic frequency products
[[1,1,20,200],[1,2,70,290],[2,1,130,310],[2,2,40,400]]
Calculation method

Calculation method

Harmonic frequency products

[signal order, LO order, absolute difference MHz, sum MHz] for both orders 1..maximum.

Symbols and units
a
Signal frequency (MHz)
b
LO frequency (MHz)
c
Maximum harmonic order for each input

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Input-LO frequencies, selected harmonic orders. Returns Candidate sum-difference products. All coefficients and observations are user supplied; results describe only the stated mathematical model. Quantities are deterministic calculations from supplied observations and assumptions; no external data is fetched. Supported limits: Finite inputs only; numeric fields bounded as labelled. Lists and JSON records are limited to 256 entries unless a stricter tool bound is stated. No automatic design approval, legal conclusion, treatment recommendation or safety certification. Signal frequency (MHz): minimum 1e-12, maximum 1000000000000.0. LO frequency (MHz): minimum 1e-12, maximum 1000000000000.0. Maximum harmonic order for each input: minimum 1, maximum 8.
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Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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